kevna -kev-ke'a- gismu

x1 is a cavity/hole/hollow/cavern in x2; x1 is concave within x2; x2 is hollow at locus x1.

Also pit, depression, concavity; hollow (= selke'a). See also fenra, kunti, canlu, canko, galxe, tubnu.


In notes:

canko
x1 is a window/portal/opening [portal] in wall/building/structure x2.
canlu
x1 is space/volume/region/room [at-least-3-dimensional area] occupied by x2.
fenra
x1 is a crack/fissure/pass/cleft/ravine/chasm/[defect/flaw] [shape/form] in x2.
galxe
x1 is a/the throat/gullet [body-part] of x2; [metaphor: narrow(ing) opening of a deep hole].
kunti
x1 [container] is empty/vacant of x2 [material]; x1 is hollow.
tubnu
x1 is a length of tubing/pipe/hollow cylinder [shape/form] of material x2, hollow of material x3.
befyba'a
be1=ba1 is the navel / belly button (umbilicus) of be2=ba2.
digyligykamju
k1 is a dropstone/stalagmite/stalactite/icicle/rusticle of material k2=s2=d2.
greke'a
x1=k1 is a hole in x2=k2=p2 to/between x3=p3 from/and x4=p4 permitting passage by x5=p1.
jintyke'a
k1=j1 is a well in k2 containing fluid j2 at location j3.
kevlu'a
p1=k1 is a tunnel through obstacle k2, that stretches from p2 to p3 and goes through points p4 (set)
kevyxejyji'o
k1=xe1=j1 is a cleft/dimple chin of xe2.
ma'arbi'i
j1 is a valley between mountains/hills c1=j2 in terrain c2.
ma'arfe'a
f1 is a canyon/ravine/chasm in mountain f2=c1 in terrain c2.
selca'o
x2=c1 is a window/portal/opening in wall/building/structure x1=c2.
terzbi
n3 is a nostril of n2 (main body) in nose n1.